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Issue 11361190: a === b -> identical(a, b) (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Address comments. Created 8 years, 1 month ago
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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 /** 5 /**
6 * The base class that should be extended by all HTML applications. 6 * The base class that should be extended by all HTML applications.
7 * 7 *
8 * It should both be easy to use for users coming over from JavaScript, but 8 * It should both be easy to use for users coming over from JavaScript, but
9 * also offer a clear notion of OO encapsulation. 9 * also offer a clear notion of OO encapsulation.
10 * 10 *
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57 57
58 /** 58 /**
59 * Erase the static splash screen. 59 * Erase the static splash screen.
60 * 60 *
61 * Assumption: if a splash screen exists, an element #appSplash contains it. 61 * Assumption: if a splash screen exists, an element #appSplash contains it.
62 */ 62 */
63 void eraseSplashScreen() { 63 void eraseSplashScreen() {
64 final splash = document.query("#appSplash"); 64 final splash = document.query("#appSplash");
65 // Delete it if found, but it's okay for it not to be -- maybe 65 // Delete it if found, but it's okay for it not to be -- maybe
66 // somebody just didn't want to use our splash mechanism. 66 // somebody just didn't want to use our splash mechanism.
67 if (splash !== null) { 67 if (splash != null) {
68 splash.remove(); 68 splash.remove();
69 } 69 }
70 } 70 }
71 71
72 /** 72 /**
73 * Swaps and reloads the app cache if an update is ready. Returns false if 73 * Swaps and reloads the app cache if an update is ready. Returns false if
74 * an update is not ready. 74 * an update is not ready.
75 */ 75 */
76 bool swapAndReloadCache() { 76 bool swapAndReloadCache() {
77 DOMApplicationCache appCache = window.applicationCache; 77 DOMApplicationCache appCache = window.applicationCache;
78 if (appCache.status !== DOMApplicationCache.UPDATEREADY) { 78 if (!identical(appCache.status, DOMApplicationCache.UPDATEREADY)) {
79 return false; 79 return false;
80 } 80 }
81 81
82 print('App cache update ready, now swapping...'); 82 print('App cache update ready, now swapping...');
83 window.applicationCache.swapCache(); 83 window.applicationCache.swapCache();
84 print('App cache swapped, now reloading page...'); 84 print('App cache swapped, now reloading page...');
85 window.location.reload(); 85 window.location.reload();
86 return true; 86 return true;
87 } 87 }
88 88
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100 // TODO(jmesserly): Several problems with this: 100 // TODO(jmesserly): Several problems with this:
101 // * How do we authenticate against the server? 101 // * How do we authenticate against the server?
102 // * How do we talk to a server other than thump? 102 // * How do we talk to a server other than thump?
103 assert(url.startsWith('/')); 103 assert(url.startsWith('/'));
104 return 'http://thump.googleplex.com$url'; 104 return 'http://thump.googleplex.com$url';
105 } else { 105 } else {
106 return url; 106 return url;
107 } 107 }
108 } 108 }
109 } 109 }
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